Designing systems that integrate AI into development workflows. Building type-safe applications with Next.js, creating tools that accelerate development while maintaining code quality and performance.
14+
Years Building
2.5M
Downloads
7
Major Versions
1400
Support Tickets
A unique blend of foundational web technologies and modern tooling, built through over a decade of product engineering.
Current Focus
Specializations
14+ Years
Deep expertise in the technologies that power millions of websites. Battle-tested knowledge from years of production use.
From pioneering no-code tools, to architecting performance-critical platforms, my experience spans a breadth of impactful projects. Each milestone a story of building and scaling tools used by thousands.
Building for Developers
Listen to users and innovate for them if existing solutions don't exist. Code with tried and tested technologies. Keep it simple. Take pride in the end product through careful testing.
User first
Each year brought new challenges, new technologies, and new solutions. This timeline captures the evolution of visual CSS tooling.
Trusted by developers worldwide. Real feedback from the community that uses Microthemer every day.
"Long-time user and fan of both the product and Sebastian, its developer. Microthemer is an incredibly well-thought-out tool that provides new u..."
WebWorX Limited
ProductHunt User
"Ive been a user since November 2021. I can remember pre-purchase thinking if I really needed this tool or not. Im very glad I proceeded with th..."
glenhouse46
ProductHunt User